COMSOC-2008
Invited Papers
Individual and Group Strategy Proofness of Voting Rules: The Case for Restricted Domains
Salvador Barbera
Talk, Cheap Talk, and States of Knowledge
Rohit Parikh
Expressiveness in Mechanisms and its Relation to Efficiency
Tuomas Sandholm
Ranking, Trust, and Recommendation Systems: An Axiomatic Approach
Moshe Tennenholtz
Lorenz Rankings of Rules for the Adjudication of Conflicting Claims
William Thomson
Contributed Papers
A Fair Payoff Distribution for Myopic Rational Agents
Stephane Airiau and Sandip Sen
Computing the Degree of Manipulability in the Case of Multiple Choice
Fuad Aleskerov, Daniel Karabekyan, Remzi Sanver, and Vyacheslav Yakuba
On the Complexity of Rationalizing Behavior
Jose Apesteguia and Miguel A. Ballester
Alternatives to Truthfulness are Hard to Recognize
Vincenzo Auletta, Paolo Penna, Giuseppe Persiano, and Carmine Ventre
Complexity of Comparison of Influence of Players in Simple Games
Haris Aziz
Divide and Conquer: False-Name Manipulations in Weighted Voting Games
Yoram Bachrach and Edith Elkind
Computing Kemeny Rankings, Parameterized by the Average KT-Distance
Nadja Betzler, Michael R. Fellows, Jiong Guo, Rolf Niedermeier, and Frances A. Rosamond
Three-sided Stable Matchings with Cyclic Preferences and the Kidney Exchange Problem
Peter Biro and Eric McDermid
Equilibria in Social Belief Removal
Richard Booth and Thomas Meyer
A Computational Analysis of the Tournament Equilibrium Set
Felix Brandt, Felix Fischer, Paul Harrenstein, and Maximilian Mair
Approximability of Manipulating Elections
Eric Brelsford, Piotr Faliszewski, Edith Hemaspaandra, Henning Schnoor, and Ilka Schnoor
A Deontic Logic for Socially Optimal Norms
Jan Broersen, Rosja Mastop, John-Jules Ch. Meyer, and Paolo Turrini
Coalition Structures in Weighted Voting Games
Georgios Chalkiadakis, Edith Elkind, and Nicholas R. Jennings
Compiling the Votes of a Subelectorate
Yann Chevaleyre, Jerome Lang, Nicolas Maudet, and Guillaume Ravilly-Abadie
Preference Functions That Score Rankings and Maximum Likelihood Estimation
Vincent Conitzer, Matthew Rognlie, and Lirong Xia
Computing Spanning Trees in a Social Choice Context
Andreas Darmann, Christian Klamler, and Ulrich Pferschy
Majority Voting on Restricted Domains: A Summary
Franz Dietrich and Christian List
Computing the Nucleolus of Weighted Voting Games
Edith Elkind and Dmitrii Pasechnik
Sincere-Strategy Preference-Based Approval Voting Fully Resists Constructive Control and Broadly Resists Destructive Control
Gabor Erdelyi, Markus Nowak, and Jorg Rothe}
Llull and Copeland Voting Computationally Resist Bribery and Control
Piotr Faliszewski, Edith Hemaspaandra, Lane A. Hemaspaandra, and Jorg Rothe}
On Voting Caterpillars: Approximating Maximum Degree in a Tournament by Binary Trees
Felix Fischer, Ariel D. Procaccia, and Alex Samorodnitsky
From Preferences to Judgments and Back
Davide Grossi
Aggregating Referee Scores: An Algebraic Approach
Rolf Haenni
A Qualitative Vickrey Auction
Paul Harrenstein, Tamas Mahr, and Mathijs de Weerdt
How to Rig Elections and Competitions
Noam Hazon, Paul E. Dunne, Sarit Kraus, and Michael Wooldridge
A Geometric Approach to Judgment Aggregation
Christian Klamler and Daniel Eckert
Judgment Aggregation as Maximization of Epistemic and Social Utility
Szymon Klarman
Confluence Operators: Negotiation as Pointwise Merging
Sebastien Konieczny and Ramon Pino Perez
Welfare Properties of Argumentation-based Semantics
Kate Larson and Iyad Rahwan
Approval-rating Systems that never Reward Insincerity
Rob LeGrand and Ron K. Cytron
Dodgson's Rule: Approximations and Absurdity
John C. McCabe-Dansted
The Cost and Windfall of Manipulability
Abraham Othman and Tuomas Sandholm
Informational Requirements of Social Choice Rules
Shin Sato
Non-dictatorial Social Choice Rules are Safely Manipulable
Arkadii Slinko and Shaun White
On the Agenda Control Problem for Knockout Tournaments
Thuc Vu, Alon Altman, and Yoav Shoham
Complexity of Unweighted Coalitional Manipulation under Some Common Voting Rules
Lirong Xia, Vincent Conitzer, Ariel D. Procaccia, and Jeffrey S. Rosenschein